10 citations
,
January 1971 in “The American midland naturalist” A simple method can show hair's surface pattern.
38 citations
,
February 1989 in “Journal of Investigative Dermatology”
Coreopsis tinctoria Nutt. extract can effectively dye hair yellow or dark brown with good wash durability.
1 citations
,
January 2007 in “中国科学通报:英文版” Women's hair has more sulfur, and black hair has more calcium than white hair.
December 1991 in “Annals of the New York Academy of Sciences” Keratin proteins are crucial for hair structure and strength.
1 citations
,
January 2020 in “Qucosa (Saxon State and University Library Dresden)” Fine hair on bovine leathers is hard to remove, lowering leather quality and value, but can be managed with specific processing methods.
June 2026 in “Journal of Applied Animal Welfare Science” Social hair plucking in rhesus macaques is linked to grooming, aggression, and health issues like hair loss, especially in females and lower-ranked individuals.
October 2023 in “Biomimetics” The new hair-dyeing shampoo is safe, colors hair evenly, and strengthens it.
3 citations
,
May 1964 in “Nature” July 2012 in “International Journal of Trichology” Hair disorders are complex and varied, with diverse treatments available.
6 citations
,
August 2012 in “The Journal of Pediatrics” A 12-year-old girl was diagnosed with monilethrix, a genetic condition causing fragile, beaded hair that breaks easily, with no effective treatment available.
June 2023 in “Zenodo (CERN European Organization for Nuclear Research)” 82 citations
,
March 1992 in “Journal of Investigative Dermatology”
4 citations
,
June 2021 in “Scientific Reports” Hair fiber shape and curvature are not significantly linked when ancestry is considered.
30 citations
,
January 1999 in “Journal of Cutaneous Pathology” Spiny keratoderma may be ectopic hair formation on palms and soles.
12 citations
,
January 2014 in “Cell structure and function” Different combinations of human hair keratins affect how hair fibers form.
10 citations
,
December 2001 in “PubMed” The conclusion is that substances can penetrate hair fibers through multiple pathways, including both the cell membrane complex and the non-keratinous parts.
15 citations
,
January 1988 Hair follicles have unique proteins that vary by species and are influenced by nutrition.
1 citations
,
March 2000 in “Chemical & engineering news” Companies buy other businesses to stay trendy and meet consumer needs in hair care.
6 citations
,
March 2017 in “Journal of the European Academy of Dermatology and Venereology” Identical twins with a rare KRT 86 gene mutation both have the hair disorder monilethrix.
November 2011 in “Informa Healthcare eBooks” Environmental, chemical, mechanical, and personal health factors can all damage hair and contribute to hair loss or changes in hair quality.
3 citations
,
October 2020 in “Dermatology Practical & Conceptual” Bubble hair damage is caused by high heat from styling tools, and trichoscopy helps diagnose it.
Polarized microscopy helps identify hair irregularities in genetic disorders.
91 citations
,
December 2000 in “The journal of cell biology/The Journal of cell biology” Scientists successfully created mouse hair proteins in the lab, which are stable and similar to natural hair.
Moisture makes hair flexible for reshaping during blowouts.
1 citations
,
January 2018 in “International Journal of Trichology” Circle hairs are harmless, spiral-shaped body hairs that don't need medical treatment.
January 2013 in “Wool textile journal”
1 citations
,
February 2013 in “InTech eBooks” Genetic mutations cause various hair diseases, and whole genome sequencing may reveal more about these conditions.
August 2007 in “Microscopy and Microanalysis” Hair fibers break by cuticle cell slipping, shape changing, cuticle fraying, and surface cracking when stretched under specific conditions.
20 citations
,
July 2005 in “Experimental dermatology” The fuzzy gene is crucial for controlling hair growth cycles.